76166397 has 12 divisors (see below), whose sum is σ = 112702044. Its totient is φ = 49538880.

The previous prime is 76166371. The next prime is 76166399. The reversal of 76166397 is 79366167.

76166397 is a `hidden beast` number, since 7 + 6 + 1 + 6 + 639 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8696601 + 67469796 = 2949^2 + 8214^2 .

It is not a de Polignac number, because 76166397 - 2⁶ = 76166333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76166399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102838 + ... + 103575.

It is an arithmetic number, because the mean of its divisors is an integer number (9391837).

Almost surely, 2^76166397 is an apocalyptic number.

It is an amenable number.

76166397 is a deficient number, since it is larger than the sum of its proper divisors (36535647).

76166397 is a wasteful number, since it uses less digits than its factorization.

76166397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206460 (or 206457 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 76166397 is about 8727.3361915306. The cubic root of 76166397 is about 423.8912683246.

The spelling of 76166397 in words is "seventy-six million, one hundred sixty-six thousand, three hundred ninety-seven".